?? simplecorridor.java
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import javax.media.opengl.GL;public class SimpleCorridor{ private double a; private int na; private double b; private int nb; private double c; private int nc; private double interSpace; public SimpleCorridor() { a = 6; na = 6; b = 20; nb = 20; c = 4; nc = 4; interSpace = 0.05; } private void drawTilesCenter(GL gl) { double da; double x, y; double EPSILON = 0.005; int i; int j; da = a / ((double)na); gl.glNormal3d(0, 0, 1); gl.glBegin(gl.GL_QUADS); for ( x = -a/2, i = 0; i < na; i++, x += da ) { for ( y = -a/2, j = 0; j < na; j++, y += da ) { gl.glVertex3d(x+interSpace/2, y+interSpace/2, -EPSILON); gl.glVertex3d(x+da-interSpace/2, y+interSpace/2, -EPSILON); gl.glVertex3d(x+da-interSpace/2, y+da-interSpace/2, -EPSILON); gl.glVertex3d(x+interSpace/2, y+da-interSpace/2, -EPSILON); } } gl.glEnd(); } private void drawTilesLong(GL gl) { double da; double db; double x, y; double EPSILON = 0.001; int i; int j; da = a / ((double)na); db = b / ((double)nb); gl.glNormal3d(0, 0, 1); gl.glBegin(gl.GL_QUADS); for ( x = -a/2 - b, i = 0; i < nb; i++, x += db ) { for ( y = -a/2, j = 0; j < na; j++, y += da ) { gl.glVertex3d(x+interSpace/2, y+interSpace/2, -EPSILON); gl.glVertex3d(x+da-interSpace/2, y+interSpace/2, -EPSILON); gl.glVertex3d(x+da-interSpace/2, y+da-interSpace/2, -EPSILON); gl.glVertex3d(x+interSpace/2, y+da-interSpace/2, -EPSILON); } } gl.glEnd(); } private void drawTilesWallA(GL gl) { double y, z, da, dc; int i, j; da = a / ((double)na); dc = c / ((double)nc); gl.glNormal3d(1, 0, 0); gl.glBegin(gl.GL_QUADS); for ( z = 0, i = 0; i < nc; i++, z += dc ) { for ( y = -a/2, j = 0; j < na; j++, y += da ) { gl.glVertex3d(-a/2-b, y+interSpace/2, z+dc-interSpace/2); gl.glVertex3d(-a/2-b, y+interSpace/2, z+interSpace/2); gl.glVertex3d(-a/2-b, y+da-interSpace/2, z+interSpace/2); gl.glVertex3d(-a/2-b, y+da-interSpace/2, z+dc-interSpace/2); } } gl.glEnd(); } private void drawTilesWallB(GL gl) { double y, z, db, dc; int i, j; db = b / ((double)nb); dc = c / ((double)nc); gl.glNormal3d(1, 0, 0); gl.glBegin(gl.GL_QUADS); for ( z = 0, i = 0; i < nc; i++, z += dc ) { for ( y = a/2, j = 0; j < nb; j++, y += db ) { gl.glVertex3d(-a/2, y+interSpace/2, z+dc-interSpace/2); gl.glVertex3d(-a/2, y+interSpace/2, z+interSpace/2); gl.glVertex3d(-a/2, y+db-interSpace/2, z+interSpace/2); gl.glVertex3d(-a/2, y+db-interSpace/2, z+dc-interSpace/2); } } gl.glEnd(); } private void drawTilesWallC(GL gl) { double x, z, db, dc; int i, j; db = b / ((double)nb); dc = c / ((double)nc); gl.glNormal3d(0, -1, 0); gl.glBegin(gl.GL_QUADS); for ( x = -a/2-b, i = 0; i < nb; i++, x += db ) { for ( z = 0, j = 0; j < nc; j++, z += dc ) { gl.glVertex3d(x+interSpace/2, a/2, z+interSpace/2); gl.glVertex3d(x+db-interSpace/2, a/2, z+interSpace/2); gl.glVertex3d(x+db-interSpace/2, a/2, z+dc-interSpace/2); gl.glVertex3d(x+interSpace/2, a/2, z+dc-interSpace/2); } } gl.glEnd(); } public void drawGL(GL gl) { int i; // Configure for inside looking gl.glEnable(gl.GL_CULL_FACE); gl.glCullFace(gl.GL_BACK); gl.glDisable(gl.GL_LIGHTING); // Build floor gl.glColor3d(0.5, 0.5, 0.9); drawTilesCenter(gl); for ( i = 0; i < 4; i++ ) { gl.glPushMatrix(); gl.glRotated(90*i, 0, 0, 1); drawTilesLong(gl); gl.glPopMatrix(); } // Build ceiling gl.glColor3d(0, 0, 1); gl.glPushMatrix(); gl.glTranslated(0, 0, c); gl.glRotated(180, 1, 0, 0); drawTilesCenter(gl); for ( i = 0; i < 4; i++ ) { gl.glPushMatrix(); gl.glRotated(90*i, 0, 0, 1); drawTilesLong(gl); gl.glPopMatrix(); } gl.glPopMatrix(); // Build walls for ( i = 0; i < 4; i++ ) { switch ( i ) { case 0: gl.glColor3d(0.9, 0.5, 0.5); break; // -X case 1: gl.glColor3d(0.5, 0.9, 0.5); break; // -Y case 2: gl.glColor3d(1, 0, 0); break; // X case 3: gl.glColor3d(0, 1, 0); break; // Y } gl.glPushMatrix(); gl.glRotated(90*i, 0, 0, 1); drawTilesWallA(gl); gl.glPopMatrix(); } gl.glColor3d(0.9, 0.5, 0.8); for ( i = 0; i < 4; i++ ) { gl.glPushMatrix(); gl.glRotated(90*i, 0, 0, 1); drawTilesWallB(gl); drawTilesWallC(gl); gl.glPopMatrix(); } }}?? 快捷鍵說明
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